fix remote stream indexing due to missing titles (#2739)

ErsatzTV.Infrastructure.MySql/Migrations/20251230132754_Fix_RemoteStreamMetadataTitle.cs

@@ -0,0 +1,37 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ErsatzTV.Infrastructure.MySql.Migrations
+{
+    /// <inheritdoc />
+    public partial class Fix_RemoteStreamMetadataTitle : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            // mark the file as needing an update
+            migrationBuilder.Sql(
+                "UPDATE `RemoteStreamMetadata` SET `DateUpdated` = '0001-01-01 00:00:00' WHERE `Title` IS NULL");
+
+            // mark the folder as needing an update
+            migrationBuilder.Sql(
+                """
+                UPDATE `LibraryFolder` SET `Etag` = NULL WHERE `Id` IN (
+                    SELECT `MF`.`LibraryFolderId`
+                    FROM `MediaFile` `MF`
+                    INNER JOIN `MediaVersion` `MV` ON `MV`.`Id` = `MF`.`MediaVersionId`
+                    INNER JOIN `RemoteStream` `RS` ON `RS`.`Id` = `MV`.`RemoteStreamId`
+                    INNER JOIN `RemoteStreamMetadata` `RSM` ON `RSM`.`RemoteStreamId` = `RS`.`Id`
+                    WHERE `RSM`.`Title` IS NULL
+                    )
+                """);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

ErsatzTV.Infrastructure.Sqlite/Migrations/20251230132715_Fix_RemoteStreamMetadataTitle.cs

@@ -0,0 +1,37 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace ErsatzTV.Infrastructure.Sqlite.Migrations
+{
+    /// <inheritdoc />
+    public partial class Fix_RemoteStreamMetadataTitle : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            // mark the file as needing an update
+            migrationBuilder.Sql(
+                "UPDATE `RemoteStreamMetadata` SET `DateUpdated` = '0001-01-01 00:00:00' WHERE `Title` IS NULL");
+
+            // mark the folder as needing an update
+            migrationBuilder.Sql(
+                """
+                UPDATE `LibraryFolder` SET `Etag` = NULL WHERE `Id` IN (
+                    SELECT `MF`.`LibraryFolderId`
+                    FROM `MediaFile` `MF`
+                    INNER JOIN `MediaVersion` `MV` ON `MV`.`Id` = `MF`.`MediaVersionId`
+                    INNER JOIN `RemoteStream` `RS` ON `RS`.`Id` = `MV`.`RemoteStreamId`
+                    INNER JOIN `RemoteStreamMetadata` `RSM` ON `RSM`.`RemoteStreamId` = `RS`.`Id`
+                    WHERE `RSM`.`Title` IS NULL
+                    )
+                """);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+
+        }
+    }
+}

ErsatzTV.Scanner/Core/Metadata/LocalMetadataProvider.cs

@@ -533,6 +533,12 @@ public class LocalMetadataProvider : ILocalMetadataProvider
 
             foreach (RemoteStreamMetadata fallbackMetadata in maybeFallbackMetadata)
             {
+                // title is not required in remote stream definition; use fallback title if missing
+                if (string.IsNullOrWhiteSpace(result.Title))
+                {
+                    result.Title = fallbackMetadata.Title;
+                }
+
                 result.OriginalTitle = fallbackMetadata.OriginalTitle;
 
                 // preserve folder tagging